Received: 26 November 2019
Accepted: 2 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was approved by Research Ethics Committee of Almana General Hospital, Saudi Arabia, on 21 April 2016 (reference number not available) All patients included in this study (all above 16 years old) gave written informed consent to participate in this research.
: All patients included in this research (all above 16 years old) gave written informed consent to publish the data contained within this study.
: The authors declare that they have no competing interests.